CN212136522U

CN212136522U - Supporting structure of battery box

Info

Publication number: CN212136522U
Application number: CN202020876159.0U
Authority: CN
Inventors: 郭功勋; 伍星星; 顾成剑; 张光虎; 卢晓亿; 李东来; 贺磊
Original assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Current assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-11
Anticipated expiration: 2030-05-22

Abstract

The utility model belongs to the technical field of battery box equipment, concretely relates to bearing structure of battery box, set up in the inside group battery of box including box and a plurality of, the box is including enclosing panel, curb plate, bottom plate, end plate and the roof of establishing each other, fixedly between two curb plates being provided with first strutting arrangement, first strutting arrangement and roof fixed connection, the bottom plate is provided with the second strutting arrangement, and the group battery is installed in the second strutting arrangement, is provided with the copper bar between every group battery. Compared with the prior art, the utility model discloses a set up first strutting arrangement, carried out effectual fixed with both sides board and roof, improved the support ability and the structural strength of box, in addition, still set up second strutting arrangement and copper bar, the contact failure that the installation error of eliminating the group battery effectively brought or the stress that produces when transporting and the safety problem that leads to have improved the security of group battery greatly.

Description

Supporting structure of battery box

Technical Field

The utility model belongs to the technical field of battery box equipment, concretely relates to bearing structure of battery box.

Background

With the continuous development of new energy industry, lithium ion batteries are used as core energy supply devices of devices such as power automobiles and household energy storage devices, and the safety of the lithium ion batteries directly affects the safety performance of the devices. The battery box is used as a carrier of the lithium ion battery, and plays a key role in the safety and protection of the battery pack. Therefore, the structural design of the battery case is very important.

At present, the battery box on the market generally adopts the box of panel beating, forms simple and easy box through the sheet metal concatenation with the polylith, installs the group battery in the box again. However, the structural strength of the battery box is often insufficient, the problems of extrusion, pulling deformation, tearing and the like between metal plates are easily caused due to vibration, collision and the like in the production and transportation processes of the battery box, and in addition, a series of safety problems may occur due to the corresponding stress between battery packs inside the battery box.

In view of the above, there is a need for rational improvement of the above prior art to meet the actual production needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the supporting structure of the battery box effectively solves the problem of insufficient structural strength of the battery box and improves the safety performance of the battery box.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bearing structure of battery box, include box and a plurality of set up in the inside group battery of box, the box is including enclosing panel, curb plate, bottom plate, end plate and the roof of establishing each other, two the fixed first strutting arrangement that is provided with between the curb plate, first strutting arrangement with roof fixed connection, the bottom plate is provided with second strutting arrangement, the group battery install in second strutting arrangement, every be provided with the copper bar between the group battery.

As right the utility model discloses in the bearing structure's of battery box improvement, first strutting arrangement includes first fixed plate and second fixed plate, the second fixed plate set up in the both ends of first fixed plate, the both sides of first fixed plate are buckled and are formed bending portion. The second fixing plate is used for being fixedly connected with the side plates on the two sides, so that the connecting strength between the two side plates is improved; in addition, still set up the kink, help improving the structural strength of first fixed plate both sides, prevent that first fixed plate both ends atress from taking place easily and buckle, strengthened the ability of supporting.

As right the utility model discloses in the bearing structure's of battery box improvement, be provided with the installation department on the first fixed plate, first fixed plate passes through the installation department with roof fixed connection. The installation department mainly used is fixed between first fixed plate and the roof, and for the convenience of loading and unloading roof, the nut can be riveted at the back of installation department pressure, implements fixedly with first fixed plate and roof through the screw.

As right the utility model discloses in the bearing structure's of battery box improvement, first through-hole has been seted up to the second fixed plate, the second through-hole has been seted up to the kink. Wherein, first through-hole is used for being connected between second fixed plate and the both sides board, and the second through-hole then is used for arranging the cable, through ligature the cable to second through-hole department for the battery box is interior to be walked the line clearly, pleasing to the eye, prevents to take place the numerous and diverse winding condition of cable.

As right the utility model discloses in the bearing structure's of battery box improvement, second strutting arrangement is including a supporting beam and fixed beam, the fixed beam sets up the both ends of bottom plate, a supporting beam sets up in two between the fixed beam. The fixed beam is used for fixedly mounting two ends of the battery pack on the second supporting device, and the supporting beam is used for supporting the middle part of the battery pack; in order to improve the supporting capacity of the fixed beam and the supporting beam, the fixed beam and the supporting beam can both adopt a structure in a shape like a Chinese character 'ji', and are welded into a whole through crossing, so that the structural strength is better.

As right the utility model discloses in the bearing structure's of battery box improvement, a supporting beam with the fixed beam sets up perpendicularly. With a supporting beam and the perpendicular setting of fixed beam, help improving the atress degree at a supporting beam both ends, prevent that the both ends of group battery from making two fixed beams and a supporting beam take place the extrusion and warp when receiving stress.

As right the utility model discloses in the bearing structure's of battery box improvement, a supporting beam with the quantity phase-match of group battery, every even equidistance setting between a supporting beam. With even equidistance setting between every supporting beam, can guarantee that the clearance of every group battery is unanimous, improve the radiating stability of group battery.

As right the utility model discloses in the bearing structure's of battery box improvement, a supporting beam fixed mounting in the bottom plate, a supporting beam with the group battery laminating sets up. The supporting beam can play a certain supporting role in the middle of the battery pack, and the deformation of the bottom of the battery pack caused by uneven stress is prevented.

As right the utility model discloses in the bearing structure's of battery box improvement, fixed orifices and setting element have been seted up on the fixed beam, the group battery passes through the fixed orifices with setting element fixed mounting in the fixed beam. Wherein, the fixed orifices is used for fixing fixed beam and group battery, and the setting element then can fix a position the installation to the group battery, prevents the dress mistake, has improved the efficiency of group battery installation.

As right the utility model discloses in the bearing structure's of battery box improvement, the fixed beam with the connection face of group battery is provided with the shock pad. The shock pad is additionally arranged, so that partial stress between the battery pack and the fixed beam can be absorbed and offset, and the effects of buffering and shock absorption are achieved.

The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a set up first strutting arrangement between two curb plates, carried out effectual fixed with both sides board and roof, improved the support ability and the structural strength of box, in addition, still set up second strutting arrangement on the bottom plate, through installing the group battery on second strutting arrangement, utilize the copper bar interconnection, the contact failure who eliminates the group battery effectively or the safety problem that produces when transporting and lead to when transporting, improved the security of group battery greatly.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided to explain the invention and not to constitute an undue limitation on the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a first supporting device of the present invention;

fig. 4 is a schematic structural view of a second supporting device of the present invention;

wherein, 1-a battery pack; 2-a panel; 3-side plate; 4-a bottom plate; 5-end plate; 6-a top plate; 7-a first support means; 8-a second support means; 9-copper bar; 71-a first fixing plate; 72-a second fixation plate; 73-a bending part; 81-support beam; 82-a fixed beam; 711-a mounting portion; 721-a first through hole; 731-a second via; 821-fixing holes; 822-positioning elements.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-4, a supporting structure of battery box, including box and a plurality of set up in the inside group battery 1 of box, the box is including enclosing panel 2, curb plate 3, bottom plate 4, end plate 5 and roof 6 of establishing each other, fixedly between two curb plates 3 being provided with first strutting arrangement 7, first strutting arrangement 7 and roof 6 fixed connection, bottom plate 4 is provided with second strutting arrangement 8, group battery 1 installs in second strutting arrangement 8, be provided with copper bar 9 between every group battery 1. The utility model discloses in, through set up first strutting arrangement 7 between two curb plates 3, carried out effectual fixed with both sides board 3 and roof 6, improved the support ability and the structural strength of box, in addition, still set up second strutting arrangement 8 on bottom plate 4, through installing group battery 1 on second strutting arrangement 8, utilize copper bar 9 to carry out the interconnection, the contact failure who brings of the installation error of group battery 1 is eliminated effectively or the safety problem that the stress that produces when transporting and lead to has improved group battery 1's security greatly.

Preferably, the first supporting device 7 includes a first fixing plate 71 and a second fixing plate 72, the second fixing plate 72 is disposed at both ends of the first fixing plate 71, and both sides of the first fixing plate 71 are bent to form bent portions 73. The second fixing plate 72 is used for fixedly connecting with the side plates 3 at two sides, so that the connecting strength between the two side plates 3 is improved; in addition, the bending part 73 is further arranged, which is helpful for improving the structural strength of the two sides of the first fixing plate 71, preventing the two ends of the first fixing plate 71 from being easily bent due to stress, and enhancing the supporting capability.

Preferably, the first fixing plate 71 is provided with a mounting part 711, and the first fixing plate 71 is fixedly connected with the top plate 6 through the mounting part 711; the second fixing plate 72 has a first through hole 721, and the bending portion 73 has a second through hole 731. The mounting part 711 is mainly used for fixing the first fixing plate 71 and the top plate 6, and nuts can be pressed on the back surface of the mounting part 711 to fix the first fixing plate 71 and the top plate 6 by screws in order to conveniently assemble and disassemble the top plate 6; the first through hole 721 is used for the connection between the second fixing plate 72 and the two side plates 3, and the second through hole 731 is used for arranging the cables, so that the cables are bound to the second through hole 731, the wiring in the battery box is clear and attractive, and the situation that the cables are complicated and wound is prevented.

Preferably, the second supporting device 8 comprises a supporting beam 81 and a fixed beam 82, the fixed beam 82 is arranged at two ends of the bottom plate 4, the supporting beam 81 is arranged between the two fixed beams 82; the support beam 81 is disposed perpendicular to the fixed beam 82. Wherein, the fixed beam 82 is used for fixedly mounting two ends of the battery pack 1 on the second supporting device 8, and the supporting beam 81 is used for supporting the middle part of the battery pack 1; in order to improve the supporting capability of the fixed beam 82 and the supporting beam 81, the fixed beam 82 and the supporting beam 81 can both adopt a zigzag structure, and are integrally welded by crossing, so that the structural strength is better. In addition, the support beams 81 and the fixing beams 82 are arranged perpendicularly, which contributes to improving the stress degree of the two ends of the support beams 81 and preventing the two ends of the battery pack 1 from being extruded and deformed between the two fixing beams 82 and the support beams 81 when being stressed.

Preferably, the number of the support beams 81 is matched with that of the battery pack 1, and each support beam 81 is uniformly arranged at equal intervals; the support beam 81 is fixedly attached to the bottom plate 4, and the support beam 81 is attached to the battery pack 1. The supporting beam 81 can play a certain supporting role on the middle part of the battery pack 1, and prevent the bottom of the battery pack 1 from deforming due to uneven stress; in this embodiment, each support beam 81 is uniformly and equidistantly disposed, so that the gap of each battery pack 1 is ensured to be consistent, and the stability of heat dissipation of the battery pack 1 is improved.

Preferably, the fixing beam 82 is opened with a fixing hole 821 and a positioning member 822, and the battery pack 1 is fixedly mounted on the fixing beam 82 through the fixing hole 821 and the positioning member 822. The fixing holes 821 are used for fixing the fixing beams 82 and the battery pack 1, and the positioning pieces 822 can be used for positioning and installing the battery pack 1, so that misassembly is prevented, and the installation efficiency of the battery pack 1 is improved; in addition, in order to improve the cushioning effect between the fixing beam 82 and the battery pack 1, a cushion is further provided between the connecting surface of the fixing beam 82 and the battery pack 1. By the shock pad, partial stress between the battery pack 1 and the fixed beam 82 can be absorbed and offset, and the effects of buffering and shock absorption are realized.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A bearing structure of battery box which characterized in that: including box and a plurality of set up in inside group battery (1) of box, the box is including enclosing panel (2), curb plate (3), bottom plate (4), end plate (5) and roof (6) of establishing each other, two it is provided with first strutting arrangement (7) to fix between curb plate (3), first strutting arrangement (7) with roof (6) fixed connection, bottom plate (4) are provided with second strutting arrangement (8), group battery (1) install in second strutting arrangement (8), every be provided with copper bar (9) between group battery (1).

2. The support structure for battery cases according to claim 1, characterized in that: the first supporting device (7) comprises a first fixing plate (71) and a second fixing plate (72), the second fixing plate (72) is arranged at two ends of the first fixing plate (71), and two sides of the first fixing plate (71) are bent to form bent parts (73).

3. The support structure for battery cases according to claim 2, characterized in that: an installation part (711) is arranged on the first fixing plate (71), and the first fixing plate (71) is fixedly connected with the top plate (6) through the installation part (711).

4. The support structure for battery cases according to claim 2, characterized in that: the second fixing plate (72) is provided with a first through hole (721), and the bending part (73) is provided with a second through hole (731).

5. The support structure for battery cases according to claim 1, characterized in that: the second supporting device (8) comprises a supporting beam (81) and a fixed beam (82), the fixed beam (82) is arranged at two ends of the bottom plate (4), and the supporting beam (81) is arranged between the two fixed beams (82).

6. The support structure for battery cases according to claim 5, characterized in that: the supporting beam (81) is perpendicular to the fixing beam (82).

7. The support structure for battery cases according to claim 5, characterized in that: the supporting beams (81) are matched with the number of the battery packs (1), and the supporting beams (81) are uniformly arranged at equal intervals.

8. The support structure for battery cases according to claim 5, characterized in that: the fixing beam (82) is provided with a fixing hole (821) and a positioning piece (822), and the battery pack (1) is fixedly arranged on the fixing beam (82) through the fixing hole (821) and the positioning piece (822).

9. The support structure for battery cases according to claim 5, characterized in that: the support beam (81) is fixedly arranged on the bottom plate (4), and the support beam (81) is attached to the battery pack (1).

10. The support structure for battery cases according to claim 5, characterized in that: and the connecting surface of the fixed beam (82) and the battery pack (1) is provided with a shock pad.